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I'm usually turned off by the looks of the 4-strokes because from this side they always look like weed whackers (it's the big red cover that does it). Is yours in this picture a different kind or did you just take the red cover off...? I am going for the look of a motorcycle as much as possible with my bike, but everyone says the 4 strokes are vastly superior to the HTs....

The four stroke is is great and yes I removed the big red cover.Also added the airfilter.

looks much better with out the red housing.
did effect cooling for better or worse?

Removing the cover had no effect either way.It's not very hot in Michigan so not much to worry about.